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Chewbacka

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Chewbacka last won the day on December 12 2016

Chewbacka had the most liked content!

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Profile Information

  • Gender
    Male

Previous Fields

  • Occupation
    Automotive Quality engineer - retired
  • Boat Name
    Roaming Home

Recent Profile Visitors

3132 profile views
  1. Chewbacka

    4g aerial

    My 4G antenna is a mag mount on the roof with the tv mast about 4 feet higher and about 4ft to the side of it. Also the Freeview TV channels I have used are the lower channels so not near the 800MHz 4G signal and i’ve not any any problems. But that’s not very helpful for you. However I would not put the 4G antenna in front of the tv antenna and also not at the same height.
  2. Chewbacka

    PRV Valve

    Which is why when I was a lad you would take a magnet with you when buying old cars.
  3. Chewbacka

    Batteries

    You are correct, I was thinking engine vibration rather than charging efficiency, probably I should have said at least 1200rpm for a modern Japanese diesel.
  4. Chewbacka

    Manchester house boat row.

    Once you allow a ‘boat’ that is too big to even leave the mooring, it’s only a short step to having a big box that doesn’t even float and just sits on the bottom. That is a house on legs but without foundations.
  5. Chewbacka

    Batteries

    The other problem with idle speed engine for charging is at low rpm there is a lot of low frequency vibration and ‘shock’ from combustion that puts an increased amount of shock loading into the pulley fixing on the end of the engine and the clutch pulley on the end of the alternator. It is not as bad when cruising at very low rpm because there is a lot more mass from the drive train (gear box, flex coupling and prop shaft) that will help to dampen the vibrations. Hence about 1200rpm for charging is much better.
  6. Chewbacka

    Fuel Taps

    My boat has a tap on both flow and return diesel pipes at the tank. If the diesel level in the tank is above the filter housing (mine is) and you open it up without turning off the diesel I can’t see it ending well.
  7. Chewbacka

    My latest acquisition

    And what difference does that make??
  8. Chewbacka

    Unlimited Power - Breakthrough

    And all to heat maybe two grams of hydrogen. Though at a temperature of 100 million C will have expanded into quite a large volume, so maybe less than 2g.
  9. Chewbacka

    Batteries

    Beta in their latest owners manual for the 43 specifically warn against battery charging with an idling engine.
  10. Chewbacka

    Battery wiring at fault? 12v socket reading jumping.

    Best paint it red then.
  11. Chewbacka

    Battery wiring at fault? 12v socket reading jumping.

    Lady-w many of us on here use the UT203, though for small currents the ut210e is better. If you decide to get the ut210e meter be careful when ordering as there is also a ut210a and ut210b which both are a bit cheaper BUT they are AC only for current.
  12. Chewbacka

    Battery wiring at fault? 12v socket reading jumping.

    TEST A WIDE RANGE of measurements including AC/DC Voltage, AC Current, Resistance, Continuity; Also Tests Diodes AC only for current.
  13. Chewbacka

    Battery wiring at fault? 12v socket reading jumping.

    That meter is no good for you as it only measures AC current, you need DC Added - my fat finger typing was soooooo slow again.
  14. Chewbacka

    Battery wiring at fault? 12v socket reading jumping.

    That’s good, much better than not charging batteries at all for the week. I’m pleased for you. If I were you I would not only buy a new multimeter but would also wire a self powered voltmeter directly to you batteries, that way you can keep an eye on the voltage and if ever in doubt you can cross check with your nice new multimeter. I would also reconnect the shunt you found to give you a current (amps) reading to help you ascertain when the batteries are fully charged. But no rush.
  15. Chewbacka

    Battery wiring at fault? 12v socket reading jumping.

    Wish you hadn't shown me that as now I neeeeeed one.
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